摘要
研究某变电站备自投装置,分析备自投误动原因,提出防误动改进方案,并在多种多重故障(或异常)情况下验证防误动改进方案的有效性和可靠性。
The backup power source device of a substation was studied. The causes of the misoperation of the backup power source device were analyzed. The improvement scheme for preventing misoperation was proposed, and the effectiveness and reliability of the improvement scheme for preventing misoperation under multiple faults (or abnormalities) were verified.
作者
张鑫桂
ZHANG Xingui(Shanwei Power Supply Bureau of Guangdong Power Grid Co. , Ltd. , Shanwei 516600, China)
出处
《电工技术》
2019年第17期87-88,91,共3页
Electric Engineering
关键词
分段备自投
防误动
PT断线
subsection backup power source device
anti-misoperation
PT disconnectio